Rework and expand Pointing Device support

[drashna]

Description

Give pointing device support some much needed love.

This adds a "driver" value for pointing device feature, so you can quickly and simply add support for a sensor to act as pointing device by specifying the sensor type.
Additionally, it adds more robust user callbacks to help with these changes.
It also generalizes the sensor code, so that they don't have pointing device specific code, and can be used for other purposes (such as with HID joystick).

Types of Changes

• Core
• New feature
• Enhancement/optimization
• Keyboard (addition or update)
• Documentation

Checklist

• My code follows the code style of this project: C, Python
• I have read the PR Checklist document and have made the appropriate changes.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• I have tested the changes and verified that they work and don't break anything (as well as I can manage).

[drashna]

@daskygit added timeout check for debug printing, so it shouldn't be too bad now. And preprocessor statements to remove the code, if console isn't enabled.

[drashna]

@atulloh wanted to update the oddball to include the changes here. If you wouldn't mind confirming they don't break anything? I don't have a working adns9800 sensor ATM, so I can't verify, but the pmw3360 sensor does appear to work properly.

[atulloh]

@atulloh wanted to update the oddball to include the changes here. If you wouldn't mind confirming they don't break anything? I don't have a working adns9800 sensor ATM, so I can't verify, but the pmw3360 sensor does appear to work properly.

@drashna Sure, I'll dig out that boards over the weekend and see if it's all good. Nice to see all this consolidated 👍

[drashna]

@atulloh wanted to update the oddball to include the changes here. If you wouldn't mind confirming they don't break anything? I don't have a working adns9800 sensor ATM, so I can't verify, but the pmw3360 sensor does appear to work properly.

@drashna Sure, I'll dig out that boards over the weekend and see if it's all good. Nice to see all this consolidated 👍

Awesome!

And yeah, more boards are getting sensors, so it's been on my mind for a while now.

Wanted to make it dead easy to add support for people, since otherwise it will be a lot of copy-paste that gets fragmented, etc.

[drashna]

@atulloh Have you had a chance to test this out?